144553199 has 4 divisors (see below), whose sum is σ = 165203664. Its totient is φ = 123902736.

The previous prime is 144553181. The next prime is 144553259. The reversal of 144553199 is 991355441.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 144553199 - 2¹² = 144549103 is a prime.

It is a super-2 number, since 2×144553199² = 41791254682267202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144553109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10325222 + ... + 10325235.

It is an arithmetic number, because the mean of its divisors is an integer number (41300916).

Almost surely, 2^144553199 is an apocalyptic number.

144553199 is a deficient number, since it is larger than the sum of its proper divisors (20650465).

144553199 is an equidigital number, since it uses as much as digits as its factorization.

144553199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20650464.

The product of its digits is 97200, while the sum is 41.

The square root of 144553199 is about 12023.0278632298. The cubic root of 144553199 is about 524.8186209416.

The spelling of 144553199 in words is "one hundred forty-four million, five hundred fifty-three thousand, one hundred ninety-nine".